#499CEB
Closest named color: Chefchaouen Blue (#4895EF). oklch(67.7% 0.142 249.8), rgb(73, 156, 235).
Aa
Black text reads best on this color (7.23:1).
About this color
#499CEB is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.142 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.021 away. Black text reads best on it, at 7.23:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.23:1 |
| White text | 2.90:1 |
Values
| HEX | #499CEB |
| RGB | rgb(73, 156, 235) |
| HSL | hsl(209, 80%, 60%) |
| OKLCH | oklch(67.7% 0.142 249.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #499CEB | 2.90:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #499CEB | 7.23:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #499CEB text on white | 2.90:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #499CEB text on black | 7.23:1 | AAA | Lc -46.8 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200
#C1DCF9
oklch(88.4% 0.049 250.3)
-
Step 300
300
#94C6F8
oklch(81% 0.088 249)
-
Step 400
400 (this color)
#499CEB
oklch(67.7% 0.142 249.8)
-
Step 500
500
#008CEF
oklch(63% 0.178 249.9)
-
Step 600
600
#0076CA
oklch(55.7% 0.156 249.7)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#00518D
oklch(42.7% 0.12 249.5)
-
Step 900
900
#004377
oklch(37.7% 0.106 249.9)
-
Step 950
950
#012749
oklch(26.9% 0.075 250.4)
#499CEB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #79A0EE | 0.049 |
| Deuteranopia (no green cones) | #6291E9 | 0.033 |
| Tritanopia (no blue cones) | #00AFB9 | 0.108 |
| Achromatopsia (no color) | #989898 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #499CEB
#499CEB
oklch(67.7% 0.142 249.8)
- #CE8513
#CE8513
oklch(67.6% 0.142 69.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #499CEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.021
- Cornflower Blue #6495ED ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.039
- Soft Blue #6488EA ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.055
- Faded Blue #658CBB ΔE 0.076
- Periwinkle Blue #8F99FB ΔE 0.079
- Water Blue #0E87CC ΔE 0.080
Use #499CEB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.